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FeS + 2 HCl = H2S + FeCl2
C6H6N2O2 + NaNO2 + HCl = C6H4ClN3O2 + NaCl + H2O =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4ClN3O2 + NaCl + 2 H2O
ClO4{-} + Br{-} + H{+} = ClO{-} + Br2 + H2O =>
ClO4{-} + 6 Br{-} + 6 H{+} = ClO{-} + 3 Br2 + 3 H2O
O = O3 =>
3 O = O3
N2O4 + KOH = N2KO5H =>
N2O4 + KOH = N2KO5H
Br2(g) + KI(aq) = I2(aq) + KBr(aq) =>
Br2(g) + 2 KI(aq) = I2(aq) + 2 KBr(aq)
Fe + O2 + H2O = FeO2H =>
4 Fe + 3 O2 + 2 H2O = 4 FeO2H
CH3CH2OH + Br2 = CH2BrCH2Br + H2O =>
CH3CH2OH + Br2 = CH2BrCH2Br + H2O
BeO + HCl = BeCl2 + H2O =>
BeO + 2 HCl = BeCl2 + H2O
F2 + FeBr2 = FeF2 + Br2 =>
F2 + FeBr2 = FeF2 + Br2
KClO3 + H2SO4 = ClO2 + HKSO4 + O2 + H2O =>
4 KClO3 + 4 H2SO4 = 4 ClO2 + 4 HKSO4 + O2 + 2 H2O
Pb(NO3)2 + LiCO3 = PbCO3 + Li(NO3)2 =>
Pb(NO3)2 + LiCO3 = PbCO3 + Li(NO3)2
MgO + SO3 = MgSO4 =>
MgO + SO3 = MgSO4
VO2 + H{+} = VO{+2} + H2O =>
VO2 + 2 H{+} = VO{+2} + H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
CoCl2 + Na2CO3 = Co2CO3 + NaCl2 =>
2 CoCl2 + Na2CO3 = Co2CO3 + 2 NaCl2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Ag(NO3) + CaCl2 = AgCl + Ca(NO3)2 =>
2 Ag(NO3) + CaCl2 = 2 AgCl + Ca(NO3)2
Sr(OH)2FeO = SrOFe(OH)2 =>
Sr(OH)2FeO = SrOFe(OH)2
PbCrO4 + HCl + FeSO4 = PbCl2 + Cr2(SO4)3 + FeCl3 + H2O + Fe2(SO4)3 =>
2 PbCrO4 + 16 HCl + 6 FeSO4 = 2 PbCl2 + Cr2(SO4)3 + 4 FeCl3 + 8 H2O + Fe2(SO4)3
Mg + Ag(NO3) = Mg(NO3)2 + Ag =>
Mg + 2 Ag(NO3) = Mg(NO3)2 + 2 Ag
Sn + Fe = SnFe2 =>
Sn + 2 Fe = SnFe2
PCl3 + H2O = H3PO3 + HCl = =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
Ag(NO3) + NaCl = AgCl + Na(NO3) =>
Ag(NO3) + NaCl = AgCl + Na(NO3)
KHS + H2O = KOH + H2S =>
KHS + H2O = KOH + H2S
Ag(NO3) + KI = AgI + K(NO3) =>
Ag(NO3) + KI = AgI + K(NO3)
Na + Hg2S = Na2S + Hg =>
2 Na + Hg2S = Na2S + 2 Hg
Carbon + O2 = carbondioxide =>
C + O2 = CO2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Cu + Ag(NO3) = Cu(NO3)2 + Ag =>
Cu + 2 Ag(NO3) = Cu(NO3)2 + 2 Ag
CH3OH + HCH3CO2 = CH3OHHCH3CO2 =>
CH3OH + HCH3CO2 = CH3OHHCH3CO2
H + O = H2O =>
2 H + O = H2O
KClO3(aq) + HBr(aq) = KCl(aq) + Br2(l) + H2O(l) =>
KClO3(aq) + 6 HBr(aq) = KCl(aq) + 3 Br2(l) + 3 H2O(l)
Cu(CH3COO)2 + KOH = Cu(OH)2 + KCH3COO =>
Cu(CH3COO)2 + 2 KOH = Cu(OH)2 + 2 KCH3COO
K3(PO4) + Pb(NO3)2 = K3(NO3)2 + Pb(PO4) =>
K3(PO4) + Pb(NO3)2 = K3(NO3)2 + Pb(PO4)
Br + FeSO4 = FeBr2 + SO4 =>
2 Br + FeSO4 = FeBr2 + SO4
Cr2O3 + NH4OH = Cr(NH2)3 + H2O =>
Cr2O3 + 6 NH4OH = 2 Cr(NH2)3 + 9 H2O
MnCl2 + H2O2 + NaOH = MnO(OH)2 + NaCl + H2O =>
MnCl2 + H2O2 + 2 NaOH = MnO(OH)2 + 2 NaCl + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
KNO3 + Cu + HCl = KCl + CuCl2 + H2O + NO2 =>
2 KNO3 + Cu + 4 HCl = 2 KCl + CuCl2 + 2 H2O + 2 NO2
Carbon + O2 = carbondioxide =>
C + O2 = CO2
CaF2 + K2SO4 = CaSO4 + KF =>
CaF2 + K2SO4 = CaSO4 + 2 KF
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
K3(PO4) + Pb(NO3)2 = K3(NO3)2 + Pb(PO4) =>
K3(PO4) + Pb(NO3)2 = K3(NO3)2 + Pb(PO4)
Fe(OH)3 + Ba(OH)2 = Fe(OH)2 + Ba(OH)3 =>
Fe(OH)3 + Ba(OH)2 = Fe(OH)2 + Ba(OH)3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
BrO2(aq) + NaOH(aq) = NaBrO3(aq) + NaBr(aq) + H2O(l) =>
6 BrO2(aq) + 6 NaOH(aq) = 5 NaBrO3(aq) + NaBr(aq) + 3 H2O(l)
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